104712745ENSG00000153132ENSMUSG00000002190O14967P52194NM_001130675NM_004362NM_009904NM_001329627NM_001329680NP_001124147NP_004353NP_001316556NP_001316609NP_034034Calmegin, also known as CLGN, is a protein which in humans is encoded by the CLGN gene. Calmegin is also present in other animals including mice. Calmegin, also known as CLGN, is a protein which in humans is encoded by the CLGN gene. Calmegin is also present in other animals including mice. Calmegin is a testis-specific endoplasmic reticulum chaperone protein. CLGN may play a role in spermatogeneisis and infertility.